Itzlanceyoid Itzlanceyoid Math Answered ACTIVITY 3:Directions: Determine whether each of the following is an expressionor an equation. Write the correct answer.Example:EQUATION 2a + 6 = 661. 4c + 42. 3 x 4 + 5 = 173. 9b - 2 = 884.2 a + 2 = 95. 3k + 7